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经营范围
发明名称
Ground reservoir
摘要
申请公布号
US1841661(A)
申请公布日期
1932.01.19
申请号
US19280308570
申请日期
1928.09.26
申请人
MANNION JOHN J
发明人
MANNION JOHN J.
分类号
H01Q1/48
主分类号
H01Q1/48
代理机构
代理人
主权项
地址
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